Restart timer on mouse event.

Todo: call shut down script on timeout

LenaPi/MouseEventSpy.h

@@ -2,6 +2,8 @@
 #define MOUSEEVENTSPY_H
 
 #include <QObject>
+#include <QTimer>
+#include <QEvent>
 
 /**
  * Catches all mouse event and starts timer -- basically behaves like a screensaver.
@@ -20,6 +22,14 @@ public:
 protected:
     bool eventFilter(QObject* watched, QEvent* event);
 
+private:
+    void initTimer(int interval);
+    bool isMouseEvent(QEvent::Type t);
+    QTimer mTimer;
+
+private slots:
+    void onTimeout();
+
 signals:
     void mouseEventDetected();
 };